U028C
Lost Communication With Active Grille Air Shutter Module D
U028C is an OBD-II diagnostic trouble code meaning: Lost Communication With Active Grille Air Shutter Module D. Common causes: open or short circuit in the module circuit, active grille module d fault. Estimated repair cost: $33–133.
Symptoms
- Check Engine Light Is On
- Reduced engine cooling efficiency
- Possible increase in fuel consumption
- Malfunction of the active aerodynamics system
- Lack of response to grille control commands
Causes
- Open or short circuit in the module circuit
- Active grille module D fault
- Problems with the wiring connector
- Engine control unit malfunction
- Corroded contacts or damaged wiring harness
How to Fix
- Check the integrity of the wires to the active grid module
- Check module connections and connectors
- Test the active grille module
- Check the supply voltage and grounding of the module
- If necessary, replace the active grille module
Related codes
Error U028C by Vehicle Brand
FAQ
What does the U028C code mean?
U028C is an OBD-II diagnostic trouble code that indicates: Lost Communication With Active Grille Air Shutter Module D
What causes a U028C error code?
The most common causes of U028C include: Open or short circuit in the module circuit; Active grille module D fault; Problems with the wiring connector; Engine control unit malfunction.
How do I fix a U028C diagnostic trouble code?
To fix U028C: Check the integrity of the wires to the active grid module. Check module connections and connectors. Test the active grille module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U028C?
Yes, but get it checked soon
How much does it cost to fix U028C?
The estimated repair cost for U028C is $33–133. Actual cost depends on your vehicle, location, and labor rates.
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